The Compendium of Caraka 4.8.50

4.8.50

daśame tvahani saputrā strī sarvagandhauṣadhairgaurasarṣapalodhraiśca snātā laghvahataśucivastraṃ paridhāya pavitreṣṭalaghuvicitrabhūṣaṇavatī ca saṃspṛśya maṅgalānyucitāmarcayitvā ca devatāṃ śikhinaḥ śuklavāsaso 'avyaṅgāṃśca brāhmaṇān svasti vācayitvā kumāramahatānāṃ ca vāsasāṃ saṃcaye prākśirasamudakśirasaṃ vā saṃveśya devatāpūrvaṃ dvijātibhyaḥ praṇamatītyuktvā kumārasya pitā dve nāmanī kārayennākṣatrikaṃ nāmābhiprāyikaṃ ca /

On the tenth day, however, the woman together with her son, having bathed with all fragrant drugs, white mustard, and lodhra, wearing light, unwashed, clean cloth, and having pure, pleasing, light, and manifold ornaments, touching auspicious things, worshipping the accustomed deity, having brāhmaṇas with crests, dressed in white, and free of physical defects recite auspicious blessings, and laying the child with head to the east or head to the north upon a pile of unwashed clothes, stating, “He bows to the twice-born preceded by the deities,” the father of the child should assign two names: a constellation name and a conventional name.